Convertible desk bureau



FIG. 1 is a perspective view of the convertible desk bureau showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side view being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a perspective view of the convertible desk bureau in the open condition.

The bottom view is flat and unornamented. 

The ornamental design for a convertible desk bureau, as shown and described. 